About 55 results
https://drivepatents.com/patents/981905 · 20 Nov 2013
Provided is a method for producing a fuel cell electrode catalyst comprising a metal element selected from aluminum, chromium, manganese, iron, cobalt, nickel, copper, strontium, yttrium, tin, tungsten, and cerium and having high catalytic activity through...
https://drivepatents.com/patents/982625 · 30 Oct 2013
The present invention is a production process for an electrode catalyst for a fuel cell, which is characterized by comprising a step (I) of mixing a nitrogen-containing organic substance, a transition metal compound and conductive particles with a solvent ...
https://drivepatents.com/patents/988987 · 10 Jul 2013
Provided is a method for producing a lithium metal phosphate, and the method comprises initiating and allowing to proceed, in the presence of a polar solvent, a conversion reaction of a lithium ion (Li) source such as lithium hydroxide, a divalent transiti...
https://drivepatents.com/patents/990590 · 22 May 2013
To provide a method for producing a fuel cell catalyst containing a metal oxycarbonitride having durability that is superior to that of conventional fuel cell catalysts. A method for producing a fuel cell catalyst comprising a metal oxycarbonitride, the me...
https://drivepatents.com/patents/994979 · 19 Dec 2012
Provided is a process for producing a fuel cell electrode catalyst having high catalytic activity which uses a transition metal, e.g., titanium, which process comprises thermal treatment at relatively low temperature, i.e., not including thermal treatment ...
https://drivepatents.com/patents/995692 · 28 Nov 2012
The present invention relates to a method for producing titanium oxide sol, comprising mixing an aqueous titanium tetrachloride solution into water at a temperature of 80°C or higher within 60 seconds while maintaining the mixed solution at the temperatur...
https://drivepatents.com/patents/996508 · 31 Oct 2012
There is provided an ink for forming a fuel cell catalyst layer that is capable of efficiently forming a high-performance fuel cell catalyst layer inexpensively. The ink for forming a fuel cell catalyst layer of the present invention comprises a fuel cell ...
https://drivepatents.com/patents/1002450 · 16 May 2012
A production method of a roughly shaped material for an engine piston includes a continuous casting step for obtaining a cast rod (31) having a diameter of 85 mm or less by continuously casting a molten aluminum alloy (30) at a molten alloy temperature of ...
https://drivepatents.com/patents/1004489 · 14 Mar 2012
The invention provides catalysts that are not corroded in acidic electrolytes or at high potential and have excellent durability and high oxygen reducing ability. The catalyst includes a metal element M, carbon, nitrogen and oxygen, wherein the catalyst sh...
https://drivepatents.com/patents/1005263 · 15 Feb 2012
Provided are a graphite material suitable as an electrode material for nonaqueous electrolyte secondary batteries, a carbonaceous material for battery electrodes, and secondary batteries which exhibit excellent charge-discharge cycle characteristics and ex...